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Old 02-03-2018, 11:02 PM   #1
18Z
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Fan to Fan clutch Bolts

Can anyone tell me the bolt size for attaching the Fan to the Fan Clutch, my truck didn't have a fan clutch so I got a new fan and clutch but both came without bolts, I see Dorman 23733 is for the clutch to water pump but I can't find which bolts attach the fan to the fan clutch.

Any help would be great
Thanks
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Old 02-03-2018, 11:09 PM   #2
Steeveedee
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Re: Fan to Fan clutch Bolts

Pretty sure that they are 5/16"-18 by about 1/2" or 5/8" long. Go grab some bolts from your stash and check it out.
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Old 02-03-2018, 11:23 PM   #3
18Z
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Re: Fan to Fan clutch Bolts

You are correct sir, Thank you!

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Old 02-04-2018, 12:12 AM   #4
leddzepp
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Re: Fan to Fan clutch Bolts

Where did you get your fan and clutch? Do you have any part numbers? Looking to replace what a PO did to my truck with a stock setup.
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Old 02-04-2018, 12:17 AM   #5
Smitty
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Re: Fan to Fan clutch Bolts

Have one I took off my '71 with a 350! Want it?
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Old 02-04-2018, 10:35 PM   #6
Stocker
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Re: Fan to Fan clutch Bolts

Quote:
Originally Posted by leddzepp View Post
Where did you get your fan and clutch? Do you have any part numbers? Looking to replace what a PO did to my truck with a stock setup.
I used my stock 7-blade fan and bought a new HD clutch p/n 2747 made by Four Seasons. It was a direct replacement for my failed OEM clutch.
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Old 02-05-2018, 12:27 AM   #7
RustyBucket
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Re: Fan to Fan clutch Bolts

Quote:
Originally Posted by leddzepp View Post
Where did you get your fan and clutch? Do you have any part numbers? Looking to replace what a PO did to my truck with a stock setup.
https://www.summitracing.com/parts/r...xoC-E4QAvD_BwE

... here's a link to one at Summit, about $40 for the blade. I've bought them at Advance Auto. I think the 7 Blade on the Blazer is original and a 7 blade Dorman replacement on the GMC. I like them, they run quiet and move a LOT of air.
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Current toy trucks:
'71 GMC 1500 SUPER CUSTOM short/step, orig. dk. blue, 350/700r, ps,pb, A/C
'72 Blazer 2wd, ochre & white, 454, tremecTKO 500 5spd. ps, pb, A/C, tilt

Last 10yrs of hobby vehicles, had a FEW more in the 50yrs. before these:
'66 Plymouth Belvedere City of Miami cop car clone.
'70 Nova 406"sb, 13.5-1, solid roller, Brodix, p.glide/t.brake, back halved, 9" Ford, spool 4.88, cage,ladder bar/coilover, 10.5 tire....... SOLD!!
'67 C10 short/step side mount spare -- SOLD!!
'72 Jimmy 2wd, 350/350, ps, pb, fun driver, lots of bondo & a shiny red paint job..... SOLD!!
'69 Nova 350, 4spd, A/C, ps, p.b, ...SOLD!!
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Old 02-04-2018, 08:50 PM   #8
mike16
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Re: Fan to Fan clutch Bolts

grade 8 if you please
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